{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "1422880728",
    "entityType": "Notification",
    "nonce": "0x87a0beac171e0c54f08e69b372355581103da1cfb21bce2e66c4434c1e056ceb",
    "signature": "0x4b7166e8cafe8dd38854c877cb18d68ac639d68f998b2dc9461349d6638c8cd016e86cf467bbb48d28899bb3a3145027686c14de7d6e0580487a8b42eb120c0d1c",
    "signer": "0x6687B667182cfdc5646f5AEB14a9945c9b1d3A6B",
    "userId": "100"
  }
}